We also know that a long time without change or challenge can lead to boredom, and physical and mental strain.

我们也知道，长时间没有变化或缺乏挑战会导致无聊，造成身体和心理上的疲惫。

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You should look for long time deltas, as these could indicate delays and lead to long response times and poor performance.

应该寻找比较长的时间差，这些情况可能表示存在延迟，会导致响应时间长且性能不佳。

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Long lead-time material for the additional vessels will include diesel engines, water jets and reduction gears.

额外联合高速船的长期材料包括柴油发动机、水力发动机和减速齿轮。

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And once lead gets into the soil, it stays a long time.

VOA: special.2009.06.09

As the clean-up and recovery consumes what stock is in place for earth movers, road graders and other heavy equipment for construction and infrastructure is put to work, the long lead-time required to build and deliver these machines may be a boon for companies like Caterpillar and its partners.

FORBES: Supply Chain Lessons From Japan

It was first talked about several years ago, and we really were looking for a subject that would, given a long lead-time, still be timely and interesting several years down the road.

NPR: Documentary Examines Muslim Brotherhood

An own goal from Ryan Bertrand had given Liverpool the lead but an injury-time penalty from Gylfi Sigurdsson and an extra-time header from Shane Long turned the game in Reading's favour.

BBC: Manager Rafael Benitez vows to fight on at Liverpool